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OpenStudy (anonymous):
Find the number of sides in the polygon with whose angles measures have the given sum. 900°
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ganeshie8 (ganeshie8):
whats the formula for sum of angles in a polygon ?
OpenStudy (anonymous):
180(n-2)
ganeshie8 (ganeshie8):
set it equal to 900
ganeshie8 (ganeshie8):
180(n-2) = 900
ganeshie8 (ganeshie8):
solve n
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OpenStudy (anonymous):
n = 7
ganeshie8 (ganeshie8):
Yes. good job !
OpenStudy (anonymous):
Yay.!! ^_^
ganeshie8 (ganeshie8):
:)
OpenStudy (anonymous):
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